STEP 3
Requirement of Step 3 is Step 2 😉 I think you got it, wonderful.
Install Maven
I believe the terminal is still open so copy the line below and paste it into the terminal prompt:brew install maven

STEP 4
Install Mahoutbrew install mahout

Congratulations! You’ve succesfully installed Mahout on your Mac.

– If you find the steps above hard to follow or understand here is a compact version.